Gaya APA
VASHISHTHA, V, M. et al (2013).
Haemophilus influenza type b disease and vaccination in India: knowledge, attitude and practices of paediatricians .
New Delhi:
World Health Organozation.
Gaya MLA
VASHISHTHA, Vipin, M. et al.
"Haemophilus influenza type b disease and vaccination in India: knowledge, attitude and practices of paediatricians".
New Delhi:
World Health Organozation,
2013.
Artikel.